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Questions and Answers
What is the definition of a construction joint?
What is the definition of a construction joint?
- The point where concreting is stopped and continued later. (correct)
- The point where concrete is cured
- The point where concrete is poured into a form.
- The point where rebar is installed in the concrete
What is the purpose of hooks in reinforcing bars?
What is the purpose of hooks in reinforcing bars?
- To increase the strength of the concrete
- To create a decorative pattern in the concrete
- To develop an equivalent embedment length. (correct)
- To prevent corrosion of the rebar.
What is the minimum concrete cover required for a beam supporting slab on grade?
What is the minimum concrete cover required for a beam supporting slab on grade?
- 4 inches
- 3 inches
- 1 inch
- 2 inches (correct)
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Study Notes
- Minimum embedment lengths for different diameter rebars are specified.
- Construction joints are defined as the point where concreting is stopped and continued later.
- Clear spacing between parallel bars in a layer is specified.
- Hooks are used to develop an equivalent embedment length.
- The bottom bar and top bar are defined as the main reinforcing bars in a beam.
- Minimum splice lengths for different diameter rebars are specified.
- The maximum diameter of reinforcing bars that can be bundled is specified.
- Minimum concrete cover for a beam supporting slab on grade is specified.
- Construction joint measurements for different scenarios are specified.
- The concept of development length is defined.
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